Vulnerability intelligence

CVE-2026-19508

RDK RDK-B WebUI

Heap-based buffer overflow in the multipart form-data parser in `jst_post.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote unauthenticated attacker to cause memory corruption and denial of service, and potentially execute arbitrary code, via a crafted multipart/form-data request.

CVSS Score

9.8

Critical

EPSS — Exploit Probability

0.8%

Riskier than 55% of all CVEs · checked 2026-09-29

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories